DON'T stress if you can't figure out what's happening in this illusion– it's all fun and games.
The image looks like a regular board game,but it contains a hidden truth that will baffle viewers.
Take a look at the checkered square above and the green cylinder sitting on its edge.
There are two squares, labeled A and B, that you'll want to pay special attention to.
Across the board, there are clearly-marked white squares and black squares, just like a traditional chess or checker board.
The 3D cylinder casts a "shadow" down the center of the image, and that's where the illusion comes into play.
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At a glance, the square labeled with an A looks like a dark grey color, while the square marked B looks like a white square sitting in the shadow.
But actually, the two squares are the exact same color – you can even use the "color selector" feature on your phone or computer to check.
You could also cut holes into a piece of paper, then hold it up to the image to isolate those two sections of the picture.
Called Adelson's checker shadow illusion, this phenomenal image was first published by Edward H. Adelson.
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Adelson, a Professor of Vision Science at MIT, constructed the two-dimensional rendering and made it appear to be three-dimensional.
That's where the illusion gets its power.
If this were a real 3D scene, a light source would be causing the shadow you see in the image.
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Because it's actually an illustrated rendering, the "light" and "shadow" effects are achieved through other means – shading.
That's why the two A and B squares are the same color but don't appear that way when you see the full picture.
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